Om605 engine

Types of OM605 Engines

The OM605 engine is a diesel engine that was introduced by Mercedes Benz in the early 1990s. This engine is known for its durability and high torque output, making it suitable for various applications. The OM605 engine is a 2.5-liter inline 5-cylinder diesel engine with a cast iron block and aluminum cylinder head. The engine has a DOHC valvetrain configuration with 20 valves, 4 valves per cylinder. The OM605 engine comes in different types, which include:

• Mercedes OM605.940: This is the base version of the OM605 engine. It has a power output of 94 hp (70 kW) and a torque of 170 lb-ft (230 Nm). The engine uses indirect injection to inject fuel into the combustion chamber. In addition, the engine is equipped with a mechanical fuel pump, which provides precise control of fuel delivery.
• Mercedes OM605.941: This version of the OM605 engine was developed for more demanding applications. It has a higher power output of 125 hp (93 kW) and a torque of 221 lb-ft (300 Nm). The OM605.941 engine features a turbocharger that boosts the engine power and performance.
• Mercedes OM605.942: The OM605.942 engine is the most powerful variant of the OM605 engine. The engine has a power output of 150 hp (110 kW) and a torque of 295 lb-ft (400 Nm). This variant of the OM605 engine is used in high-performance vehicles and applications that require high power and torque.
• Mercedes OM605.943 and OM605.944: These versions of the OM605 engine are less common. Information about these variants is limited. However, it is known that these versions have further enhancements in power output and torque delivery.

All versions of the OM605 engine are known for their reliability and longevity. They are suitable for various applications, including commercial vehicles, trucks, and passenger cars. The OM605.940 and OM605.941 engines are commonly used in older Mercedes-Benz E-Class and M-Class models. The more powerful variants (OM605.942, OM605.943, and OM605.944) are used in high-performance and specialized vehicles.

Specification & Maintenance of Om605 Engine

Specification

The OM605 engine is a 5-cylinder inline diesel engine that is part of the Mercedes-Benz's OM60X family of engines. Here are some key specifications:

• Displacement:

  The engine has a displacement of 2.5 liters (2496 cc).

• Configuration:

  The engine is a 5-cylinder inline configuration.

• Fuel System:

  The OM605 engine uses a direct fuel injection system with an inline fuel injection pump.

• Turbocharging:

  The engine is equipped with a turbocharger, which helps to increase its power output and efficiency.

• Power Output:

  The OM605 engine has a maximum power output of 95-150 horsepower (70-110 kW), depending on the specific variant.

• Torque Output:

  The engine has a maximum torque output of 140-300 Nm, depending on the specific variant.

• Compression Ratio:

  The OM605 engine has a compression ratio of 21:1.

• Emissions Control:

  The OM605 engine is equipped with various emissions control systems, such as a diesel particulate filter (DPF) and exhaust gas recirculation (EGR), to meet emissions regulations.

Maintenance

The maintenance schedule for the OM605 engine is as follows:

• Oil changes:

  Every 5,000 miles or 6 months, whichever comes first.

• Fuel filter changes:

  Every 15,000 miles or 18 months, whichever comes first.

• Air filter changes:

  Every 20,000 miles or 24 months, whichever comes first.

• Coolant changes:

  Every 90,000 miles or 10 years, whichever comes first.

• Valve clearance adjustments:

  Every 60,000 miles or 72 months, whichever comes first.

• Timing belt changes:

  Every 100,000 miles or 120 months, whichever comes first.

• Glow plug changes:

  Every 120,000 miles or 144 months, whichever comes first.

• Intake manifold cleaning:

  Every 150,000 miles or 180 months, whichever comes first.

• Turbocharger inspection:

  Every 200,000 miles or 240 months, whichever comes first.

In addition to the above tasks, the following general maintenance tips should be followed:

• Use genuine OM605 engine parts:

  Using genuine parts will ensure the proper fit and function of the engine.

• Keep the engine clean:

  Keeping the engine clean will help to prevent the build-up of dirt and debris, which can cause wear and tear on engine parts.

• Check and replace worn belts and hoses:

  Worn belts and hoses can cause damage to the engine if they break.

• Check and maintain proper tire pressure:

  Proper tire pressure is important for the overall health of the vehicle and its fuel efficiency.

• Use the right fuel:

  Using the right fuel, such as diesel fuel, is essential for the proper function of the OM605 engine.

How to Choose OM605 Engines

Before buying an OM605 engine, buyers need to consider several factors. Here are some of them:

• Condition

  Buyers should consider the condition of the OM605 engine they want to get. It is advisable to get an engine in good condition. A rebuilt or refurbished engine has all its worn parts replaced or repaired. This offers more reliability and longevity. On the other hand, a used OM605 engine may have some worn or damaged parts. The latter may cause buyers to incur extra costs when the parts need replacement or repair after some time.

• Price

  Buyers should compare the prices of various OM605 engine suppliers on Chovm.com. They should get the engines that are within their budget. However, they need to avoid extremely low-priced engines. They could be of poor quality. Additionally, they should avoid high-priced engines that do not have added value.

• Warranty

  Buyers should get OM605 engines with a warranty. The warranty is an assurance from the supplier that the engine is in good condition. Additionally, it protects the buyer from any financial loss in case the engine has some faults.

• Seller Reputation

  Buyers should get the OM605 engines from a reputable supplier. They can read the reviews of other buyers to know the reputation of the supplier. Additionally, they can ask for recommendations from other buyers.

• Ease of Installation

  Buyers should get OM605 engines that are easy to install. They should check the installation manual and see if the steps are easy to follow. Additionally, they can inquire from the supplier whether the engine needs expert installation or they can install it by themselves.

How to DIY and Replace OM605 Engine

Here is how to replace the OM605 engine:

• Take out the old motor.
• Put the new OM605 engine onto the motor mounts.
• Connect the OM605 engine to the vehicle's cooling system, transmission, and electrical system.
• Once everything is connected, check for any leaks or issues and address them as needed.

Before replacing an engine, it is important to understand how to use tools and follow safety precautions. It might be a good idea to get help from a professional mechanic.

Q&A

Q1: What is the OM605 engine?

A1: The OM605 engine is a diesel engine that was used in some models of the Mercedes-Benz W124 and W201 cars. It was a 2.5-liter inline-5 diesel engine that provided a smooth and quiet operation. The OM605 engine was available in different versions, such as the OM605.910 and OM605.912, which had different power outputs and turbocharging options.

Q2: What are the main features of the OM605 engine?

A2: The OM605 engine had several features that made it suitable for various applications, such as its high thermal efficiency, high specific power and torque, low noise and vibration, and high reliability and durability.

Q3: Which cars use the OM605 engine?

A3: The OM605 engine was used in some models of the Mercedes-Benz W124 and W201 cars. The W124 was the Mercedes-Benz E-Class car from 1986 to 1996. The W201 was the Mercedes-Benz C-Class car from 1982 to 1993. The OM605 engine was used in some variants of the W124 and W201 cars, depending on the model and the market.

Q4: Is the OM605 engine still relevant today?

A4: The OM605 engine was a modern and advanced diesel engine for its time. However, it has some drawbacks compared to the current diesel engines. For example, the OM605 engine had a relatively low power output, high emissions of nitrogen oxides and particulate matter, and no common rail direct injection or turbo compounding technology.

Q5: Where can people learn more about the OM605 engine?

A5: There are some online resources that provide information and specifications about the OM605 engine. Some of them are official documents from Mercedes-Benz, websites of automotive magazines and forums, and blogs and videos from enthusiasts and experts.